This hidden Apple Watch stat tells you whether to exercise or rest
Imagine if your Apple Watch could tell you which days were best for you to do a workout, and what kind of workout you should do. Well it can, sort of, thanks to a hidden feature that few people have yet discovered or know how to use. Heart rate variability, or HRV, is a new […]
(via Cult of Mac - Tech and culture through an Apple lens)
from Cult of Mac http://bit.ly/2J3BLAw
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